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Chemistry exam 02

QuestionAnswer
Atom smallest particle of an element
Whats daltons first atomic theory? All elements are composed of tiny indivisible particles called atoms
whats daltons second theory? atoms of the same element are identical. the atoms of any one element are different from those of any other element
whats daltons third theory? atoms of different elements can physically mis together or can chemically combine in simple whole-number ratios to form compounds
whats daltons fourth theory? chemical reactions occur when atoms are separated, joined, or rearranged. Atoms of one element, however, are never changed into atoms of another element as a result of a chemical reaction
Who discovered the electron? Dalton
What charge is an electron? negative
What was daltons experiment for discovering the electron? Cathode Ray tube
Who discovered the nucleus? Rutherford
What was rutherford s experiment? The gold foil experiment
What was rutherford s model? nuclear model
Created by: acallen